Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"goc nam cham snippets" » "goc nang cham snippets", "goc nam chi snippets", "goc nam cao snippets", "ngoc nam cham snippets", "hoc nam cham snippets", "oc nam cham snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("goc nam cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("goc nam cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( goc nam cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("goc nam cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.